3992339 has 4 divisors (see below), whose sum is σ = 4299456. Its totient is φ = 3685224.

The previous prime is 3992333. The next prime is 3992341. The reversal of 3992339 is 9332993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9332993 = 1879 ⋅4967.

It is a cyclic number.

It is not a de Polignac number, because 3992339 - 2⁴ = 3992323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3992333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153539 + ... + 153564.

It is an arithmetic number, because the mean of its divisors is an integer number (1074864).

Almost surely, 2^3992339 is an apocalyptic number.

3992339 is a deficient number, since it is larger than the sum of its proper divisors (307117).

3992339 is a wasteful number, since it uses less digits than its factorization.

3992339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307116.

The product of its digits is 39366, while the sum is 38.

The square root of 3992339 is about 1998.0838320751. The cubic root of 3992339 is about 158.6386981004.

The spelling of 3992339 in words is "three million, nine hundred ninety-two thousand, three hundred thirty-nine".